Valve



L. BLOCH.

VALVE.

n APPLICATION FILED .IUNE25, 1920.

Patented Apr. 4, 1922.A

PATENT OFFICE.

BnooH, or BROOKLYN, New YORK.

vALvn Specication of Letters Patent.

Patented Apr. 4, 1922.A

Application led June 25, 1920. Serial No. 891,810.

To all whom t may] concern:

Be it known that I, LEON BLOCH, a cltlzen of the United States, residing at Brooklyn, in the. vcounty Of Kings and State of New York, have invented new and useful` Improvements in Valves, of which the follow- -ino is a specification.

his invention relates to improvements 1 n valves and one of the principal obyects 1s to provide a self centering valve which shall be permitted a limited amount of universal movement on its valve stem so as to vseat itself perfect-ly.

Another object is to provide a valve whlch will not out the valve seat.

Another object is to provide means for eliminating objectionable noise and chattering occurring in the valve.

Other objects will appear from the following description and claim.-

All of these objects are accomphshedby the mechanism shown in the accompanying drawing comprising one sheet, in which Figure 1 is a vertical sectional view of my improved valve showing the same 1n open position.

Figure 2 is a similar view of the valve but with the parts in closedA position.

Figure 3 is an enlarged fragmentary detail view of the valve closure proper.

Like characters of reference refer to like parts in all views.

This'invention contemplates the provision of a valve which is mounted for universal movement so as to perfectly seat itself, and which is provided with a seatin portion of fiber or like material which wil not cut or mar the valve seat. The universal movement is limited so as to prevent heavy vibration or vchattering of the valve, and the ball is provided so as to Obviate any angular thrust in compressing.

s Referring more particularly to the dra-wings, 1 represents the main casting of a globe valve having a diaphragm 2 which intersects the passage in member 1, and which is provided with an aperture 3 about which is formed a valve seat 4.

Mounted in an aperture 5 of the valve body 1 is a support 6 for the vertically adjustable stem 7 which has a thread 8 w'orking in athreaded bore 9 in member 6. A stuiiing box l0 is provided to effect a tight joint betweenmembers 6 and 7.

The lower end of the stem 7 is provided with a ball seat l1 and with an 'annular shoulder 12, by means of which shoulder a collar 13. is,1oose1 secured on said stem. Collar 13 isprovi ed with a threaded portion 14 and with a shoulder 15; and a mem- -ber 16 is provided with athreaded portion 17 .adapted to be screwed up On'portion14 until it seats itself snugly against shoulder 15. Member 16 is provided with a ball seat 18 and. a ball 19 is confined between seats 11 and 18 and is allowed a limited amount of play. The bore of section 17 of the memberv 16 v1s somewhat larger than the diameter of the annular shoulder 12, and when the end of 17 is forced into full engagement withshoulder 15, members 13 and 17 are so associated as to allow a limited amount of vertical movement and play is allowed between the member 13 and stem. Under these conditions, it will be obvious that the member 16 may have a limited universal movement i l valveythe limited amount of movement in the valve proper will provide for a perfect seating of the valve on the valve seat. The ball 19 accommodates itself to all positions of the seats 11 and 18 with relation to each other and in all thrust.

It is obvious that if so desired, the valve seat may be made conical instead of iiat and the co-operative closure may be made a oorrespondin cone instead of a disk.

While have described what I deem to be the most desirable embodiment of my invention, it is obvious that many of the details may be varied without in any way. departing from the spirit of my invention; and I therefore do not limit myself to the exact details of construction herein set forth nor to anything less than the whole of my invention limited only by the appended claim.

What I claim as new and desire to secure by Letters-Patent is A structure of the class described, comprising a valve body; a diaphragm therein, a valve seat in said diaphragm, a fibrous positions will give a vertical I faced element surroundin ball co-act-ing with said ba l seats, a member overlying said shoulder to secure said valve member to said stem for universal movement thereon, and a sugporting member. for said 10 valve stem forme with a bevel face oo-aetive with the bevel face of the aforesaid element for preventing chattering when said valve is opened.

In testimony whereof I have ailixed my 15 signature.

LEON BLOCH. 

